package com.example.smartlearning.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.smartlearning.entity.BookEntity;

public interface BookService extends IService<BookEntity> {
    String selectBookById(int bookId);//根据书籍id查询书籍信息

    String selectAllByContent(int bookId);//根据id获取书籍对应的章节并且排序

}
